Optimized volume/price ratio, extended autonomy (several weeks at typical 250-500 mcg dose), final concentration adjustable to protocol (5 mg/ml with 2 ml bacteriostatic, or 2.5 mg/ml with 4 ml for finer dosing)
Staresinic M, Petrovic I, Novinscak T, et al
Oral administration demonstrates activity in gastrointestinal conditions despite lower systemic bioavailability, as direct mucosal exposure may contribute to therapeutic effects
But, we need more studies to know how well it works and the best dose
Review the related recovery & healing profiles, scan the research notes, and compare the best-fit category page before making decisions
B12 deficiency can also cause water retention, constipation, muscle weakness, fatigue, and weight loss